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The Cobleskill handbook

Living in Cobleskill, NY: what to set up and who to call

The Cobleskill Village water system reported 7 health-based violations to EPA in the last five years: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule) ×7. 80% of systems its size reported none. For home internet, most of Cobleskill can choose between Spectrum and Verizon.

I’m new in town

What to set up in Cobleskill, and who provides it. Tap an answer for the details and where they come from.

Home services

Power, water and internet

Who to call to start service at a new address in Cobleskill.

Electricity

Power comes from National Grid

National Grid (Niagara Mohawk Power Corp.), an investor-owned utility, serves all of Cobleskill. Its homes paid an average of 19.9¢ per kWh in 2025, about $130 a month (its average across New York, for customers on its standard service). New York lets you buy power from another supplier; 6% of National Grid’s home customers do, and National Grid still delivers it.

Start or move service: www1.nationalgridus.com · (315) 474-1511

Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.

Drinking water · reported to EPA

Water comes from Cobleskill Village water system

The Cobleskill Village water system supplies almost all of Cobleskill. It draws surface water and serves 4,678 people in all.

7 health-based violations reported to EPA in the five years to October 2026: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule) ×7, the latest beginning Aug 2024. 80% of the 5,012 systems serving 3,301–10,000 people had none.

Lead, 90th percentile3.3 ppb
015 ppb action level20

The latest lead result on file, the 90th percentile of homes sampled in Jan 2021–Dec 2023, was 3.3 ppb, below the 15 ppb action level that applied. That’s higher than 84% of similar systems’ latest results.

The system’s full record: EPA ECHO report

EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. NY4700094.

Internet

4 home internet providers serve Cobleskill

98% of 1,160 addresses can get 100/20 Mbps; 6% can get fiber.

ProviderTechnologyAddressesFastest (Mbps)
SpectrumCable, Fiber95%1,000/35
VerizonFixed wireless, Fiber90%25/6
MidtelFiber6%500/100
T-MobileFixed wireless56%100/20

FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.

Trash & recycling

We don’t have Cobleskill’s trash rules yet

Pickup rules, the dump and recycling in Cobleskill.

Schools

Where your child goes to school

Public school districts and the school path by grade.

Cobleskill kids go to
PK–6George D Ryder Elementary SchoolCobleskill-Richmondville Central School District
7–9William H Golding Middle SchoolCobleskill-Richmondville Central School District
10–12Cobleskill-Richmondville High Schoolin Richmondville

Cobleskill is in Cobleskill-Richmondville Central School District.

C+School gradeSee Schools →

U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.

Government & voting

Town hall and registering to vote

Who to call, and how to register.

Election office: FVAP local election office directory, updated Aug 2015; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Aug 3, 2026.

ZIP codes & area codes

Cobleskill is in ZIP code 12043

ZIP codes where Cobleskill residents live, with the share of the town in each.

ZIPPost office nameShare of CobleskillZIP’s residents in Cobleskill
12043Cobleskill, NY100%53%
Area code518Wikidata

Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.

Everyday places

Getting around, the ER and the library

One line each; the subject pages have the rest.

ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.

Questions about living in Cobleskill

Who supplies Cobleskill’s drinking water, and has it had violations?

The Cobleskill Village water system (EPA ID NY4700094). It reported 7 health-based violations to EPA in the five years to October 2026: a surface water treatment requirement (Interim Enhanced Surface Water Treatment Rule) ×7. 80% of systems its size had none. Its latest lead 90th percentile was 3.3 ppb (Jan 2021–Dec 2023), against a 15 ppb action level.

Who provides electricity in Cobleskill?

National Grid (Niagara Mohawk Power Corp.), an investor-owned utility. Its homes paid about 19.9¢ per kWh in 2025 (EIA).

What internet providers serve Cobleskill?

Spectrum, Verizon, Midtel, T-Mobile (FCC, as of December 2025).

What ZIP codes are in Cobleskill?

12043. Census 2020 ZIP Code Tabulation Areas.

What school district is Cobleskill in?

Cobleskill-Richmondville Central School District.

How do I register to vote in Cobleskill?

In New York you can register online until 10 days before Election Day, in person until 10 days before Election Day, or by mail (postmarked 15 days before and received 10 days before). Elections here are run by the Schoharie County Board of Elections. Check your registration at voterlookup.elections.ny.gov.

Sources & dates

Every answer above names its source. Here they are with their dates.

  • Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
  • Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
  • Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
  • ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
  • Schools: NCES Common Core of Data, 2024–25.
  • Registration: vote.gov, updated Aug 3, 2026 (read Oct 10, 2026). Official sites and area codes: Wikidata.
  • Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
  • Internet: FCC National Broadband Map, as of December 2025.